Shall



A. L. MARSHALL.

0H. BURNER.

APPLECAT ION FLLED JAN. 20, IBIS.

Patented Nov. 25, I919.

i it

ABRAHAM n. armament, on Kansas orrY, Mitssocm;

To all whom it may concern: 7

Be it known that I, ABRAHAM L. MAR" The present invention relates to oil burners and aims to provide an improved burner construction adapted for efiicient operation on petroleum oils of ordinary quality.

Accordingly one of the objects of the invention is to devise a burner structure in which the vapor generating member is provided with a novel carbon collecting element adapted to be removed for cleaning away carbon deposits. lln carrying out this feature of the improvement I provide a valve construction for controlling the dis charge from the generator, in which construction the valve operating {member is also utilized as a carbon collecting element extending through the vapor generating chamber.

A further feature of novelty resides in the arrangement of the means for operating the vapor discharge valve whereby the adjustment of this valve is accomplished by a movement sol ly in an axial direction,

with a view to avoiding any injury thereto that might follow from a rotary movement of said valve.

Further features of improvement reside in details of the arrangement of the vapor generating and distributing chambers and the vapor passage forming the cmmun1cat ing channel therebetween, as hereinafter described.

lt is also sought to provide an extremely simple and compact construction comprising few parts and adapted to be manufactured at small expense.

With these general objects in view the invention will now be described with refer ence the accompanying drawing illustrating one form of construction which has been devised for embodying the improvement, after which those. features therein deemed to be novel will be set forth and defined in the appended claims. f In the drawing-- Figure l is a longitudinal sectional view showing a burner constructed in accordance with the presentinvention;

Specification of Letters Patent.

Application filed ti e as, 1919. serial no. erases.

Figs. 2. and 3 are plan and end views;

respectively,' of the same;

, Fig. 4 is a transverse section taken on the line H of Fig. 1; and

Fig. 5 is an enlarged longitudinal sectnal View, partly broken away, of the generator tube. v

Referring now to the said drawing in detail this illustrates a burner structure comprising a casting 6 the interior of which forms a vapor distributing chamber 8, the

upper portion of said casting being of a curved contour transversely, asrepresented in Fig. 4, and formed with a plurality of transverse slits 10 for the discharge of the vapor., lhis vapor is received from a vapor feeding passage 12 formed in a tubular member 14: having an upturned goose-neck outer end 16, the inner end portion of said passage 12 being formed by. the horizontal channel-shaped portion of the member id in conjunction with the bottom of the chem ber 8. The extreme inner end of the passage 12 is provided "with a pair of vapor 14 and secured by said screws 22 to one end of the casting 6. y Y I A tubular vapor generating member '26 is supported at one end in said plate projection- 24 and at its opposite end in a plate bracket 28 fastened by screws 30 to the correspondlng end of the. casting S, the generating member 26 being thus supported in longitudmal pOSIi'JQD overlying the vapor dis tributing chamber 8. At discharge end of said memberZrS, the same is fitted'with a valve nipple 32 located directly opposite the combined vaporand air-miaing opening 3% "forming the inlet into the feed passage 12. The valve passage oil said nipple 32 is fitted with a needle. valve so formed on the end of a rod 38 mites.ding axially through the vapor generating chamber formed by the tube 26. The other end oft said rod 38 is fitted into a valve operating stem 40 pro vided with the operating handle or knob 4:2, said stem being screwed into a gland or nipple td which in turn secured by the wp1 e sleeve 46 to the tube 26. The gland or nipple 44 also carries a packing washer 48 and collar 50 surroundingthe valve operating stem 40. The rod 38 extends into an axial recess '51 in the stem l0 and is connected thereto by means or a pin 52 secured to the stem and operating in an annular groove 54 in the end of said rod (see Fig. 5), so that the stem 40 is thus operable to impart longitudinal or axial movement to the rod 38 without any rotation of said rod or of the. needle valve 34 connected thereto.

Oil is admitted under pressure from a supply pipe 56 fitted with a valve 58 and communicating with the interior of the sleeve 46. I p 0 By means of the foregoing construction a burner structure is provided in which the generator tube 26 overlies the vapor distributing slits 10 and the rod 38 extends axially through the vapor generating chamber formed by said tube 26. This rod, being of metal, anda good conductor of heat, acts as an effective collecting element for the deposit of carbon, and the construction shown provides for the convenient removal of this rod as often as required .forthe cleaning 0d of any deposits thereon. The said rod also serves the further function of operating the valve 36, and .in orderthat neither the removal of, this rod for cleaning purposes nor its operation for regulat ing thevalve may work any injury thereto,

' form .of'

such as would follow the grinding contact; Y

produced by a rotary movement, therod 38 is operated solely by an axial movementelfeoted by the rotation of the stem l0 and ,its rotary or journaled connection with the rod 38. The vapor formedin the generator tube dischar es, alongwith a mixture of air, into the inlet opening 34 of the passage 7 12, whence it flows through the lateral pa e; sages 18'andis distributed to the various The C5111- struction is such as to \admit of no back-fire at either end of said feed passage 12, and the burner operation of the construction has been found to prove-both eiiicient and economical and particularly free. from noise -or any disagreeable odors, fumes or smoke.

While I have herein illustrated and described what I now regard as the preferred embodiment. er. the invention, I, I desire to reserve the right to make all such formal changes ormodifications as may fairly fall within the scope of the appended claims.

Having described the invention, what I claim and desire to. secure by Letters-Patent is:

1. An oil burner comprising a vapor distributing chamber and a vapor generating member overlyin said. chamber, said chamber being provi ed with a vapor passage extending centrally. within said chamber, said passage being in communication at one end with said generating member and provided at its other end with lateral vapor discharge passages in communication with said chamber.

'2. An oil burner comprising a vapor distributing chamber, a vapor generating tube overlying said chamber, and a tubular gooseneck member providing a vapor passage having acombined air and vapor-mixing inlet opening in spaced relation to .one end of said generating tube, said member having a channel-shaped horizontal portion projecting into oneend of said chamber and forming with the bottom of said chamber the horizontal portion of said vapor passage, the'inner end of, said vapor passage having-lateral vapor discharge pas- "sages communicating with said distributing chamber. i j

3. An oil burner comprising a vapor distributing chamber, a vapor generating tube overlying said chamber, a tubular goosenieck member providing a vapor passage having a combined "air "nd vapor-mixing inlet opening. in spaced relation to one end of said generating tube, said member being detachably secured to one end of said distributing chamber "and having a horizontal portlon projecting centrally Within said chamber and having lateral vapor discharge passages in communication therewith, means for supportin oneend of said generating tube atone end of said distributing chamber,

and an upwardly extending-portionformed;

integral" with said. tubular member in supporting relation with the other endof said generating tube opposite said inlet opening. In witness whereof 1 hereto afiix my signature.

i Anni/i L. nansnatn 

